*{
    padding: 0;
    margin: 0;
}
body{
    background-image: url(../img/背景7.jpg);
    background-repeat: no-repeat;
}
.box{
    width: 500px;
    height: 400px;
    margin: auto;
    color: white;
    overflow: hidden;
    text-align: center;
    position: absolute;
    top: 27%;
    right: 27%;
}
.front{
    display: inline-block;
    width: 40px;
    height: 40px;
    line-height: 40px;
    border-radius: 50%;
    margin: 3px;
    background-color: black;
    shape-outside: margin-box;
}
.back{
    display: inline-block;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    margin: 3px;
    line-height: 40px;
    background-color: blue;
    color: white;
    shape-outside: margin-box;
}
.box img{
    width: 100px;
    float: left;
    padding-left: 20px;
}